Database Develop

Note 8 Unlocked Missing HD VOICE and VIDEO CALLING

I am uncertain which information is true or false, but thought I would ask here. I realized I may be missing a few features when I bought the unlocked Note 8. However, I was under the impression that I could somehow enable things like HD voice and Video Calling.
If I am able to do this, can someone provide a link to a guide I can follow for the Note 8? I realize there are third party apps. But, I was hoping to achieve the above naively.
I'm Currently with AT&T, but prefer the ability to Hot-Spot by using an unlocked version of the Note. Hopefully someone who has enabled this can chime in.

I currently have an ATT Note 8 and I have a similar question. I want to flash the unlocked firmware so I can use it on T-Mobile. I've looked online and couldn't find an answer hope someone here can help us.

So my understanding is that AT&T only allows things like HD Voice, Video Calling, VoLTE, Wi-Fi Calling, etc. On their branded device's. It's why I actually didn't get the unlocked device even though I previously had a Note 7.

fireguy0306 said:
So my understanding is that AT&T only allows things like HD Voice, Video Calling, VoLTE, Wi-Fi Calling, etc. On their branded device's. It's why I actually didn't get the unlocked device even though I previously had a Note 7.
Click to expand...
Click to collapse
This was my understanding as well, but, I thought someone came up with a clever way of enabling these features. Hot spot and the ability to jump carriers were more important features than the others... which is why I went with unlocked. Am stuck in an unlimited data plan with AT&T for one more year. Unfortunately, they don't allow any kind of hotspot with unlimited plan.

Since the phone just became available and only to few people (BTW I'm still waiting), you guys have to wait , because since all those are hacks, phones have to get to right hands and then may take some time to figure things out, unless any of you have enough knowledge, then head to S8/S8+ forum and try using those solutions on your Note 8, may even work.

When I booted my Note 8 with T-mobile sim card, it applied some carrier customization and enabled VoLTE and WiFI calling but video calling is missing which I don't use much anyways.

You can usually do this via the service modes:
Dial *#0011# may work
Press the Menu key and then Back
Press Menu again then Key input and enter the value 1.
Wait a little
Press Menu and then Back
Press DEBUG SCREEN
Press WB-AMR SETTINGS
Press WB-AMR ENABLE
This use to work on previous models.
(In the UK being shafted by a long wait for my Note 8)

I thought many of the methods wouldn't work since AT&T uses whitelists on their system and it's not just the features are missing from the OS.

I tried the *#0011# and was able to get all the way to debug. That screen or option is not showing up on my unlocked note 8.
Ryya said:
You can usually do this via the service modes:
Dial *#0011# may work
Press the Menu key and then Back
Press Menu again then Key input and enter the value 1.
Wait a little
Press Menu and then Back
Press DEBUG SCREEN
Press WB-AMR SETTINGS
Press WB-AMR ENABLE
This use to work on previous models.
(In the UK being shafted by a long wait for my Note 8)
Click to expand...
Click to collapse

I know the S8 crowd has been flashing the carries specific CSC/CP files through a modified ODIN on top of the UNLOCKED firmware. I'm sure this will work on the note 8 as well. The modem should enable all the carrier specific bands and the CSC should enable the wifi calling and VOLTE. on a side note, check in the settings menu for the wifi calling. when I flashed the T mobile CP over the U firmware, I did not have a WIFI calling quick toggle but I did have wifi calling the in the regular settings menu. I had to toggle it on and off that way.

No where to be found for VZW on unlocked

Wi-Fi Calling is in the phone settings on the unlocked version...I have not seen HD or video though...WiFi calling works awesomely

BlueFox721 said:
Wi-Fi Calling is in the phone settings on the unlocked version...I have not seen HD or video though...WiFi calling works awesomely
Click to expand...
Click to collapse
You on AT&T or T-Mobile?

JameyS said:
This was my understanding as well, but, I thought someone came up with a clever way of enabling these features. Hot spot and the ability to jump carriers were more important features than the others... which is why I went with unlocked. Am stuck in an unlimited data plan with AT&T for one more year. Unfortunately, they don't allow any kind of hotspot with unlimited plan.
Click to expand...
Click to collapse
Are you on an old grandfathered in AT&T unlimited plan? I have a new Unlimited plan and they offer lots of goodies including a 10GB/month hotspot for each phone.
Check them out: https://www.att.com/plans/unlimited-data-plans.html
You should not be stuck in any plan now for a year or any time frame. Change when you want to change.
Here's a link to information for Flashing the Unlocked Firmware and Carrier Switching on the Snapdragon S8+ (no rooting necessary). https://forum.xda-developers.com/galaxy-s8+/how-to/carrier-switch-snapdragon-t3615680
Probably going to be similar with our Note 8s.

Im on Verizon and I cant see wifi calling or HD voice aka VOLTE. Maybe we just need to wait.

This may help for people looking for video calling
https://forum.xda-developers.com/galaxy-note-8/how-to/guide-to-enabling-video-calling-t3670523

skinnytoo2 said:
No where to be found for VZW on unlocked
Click to expand...
Click to collapse
I had to download the app "shortcut master". Navigate to to IMS Settings, click RCS Configuration and enabled everything. I also can see the WB settings under "DM Configuration" under the IMS settings but they are relabeled as xxx_WB and instead of enabled/disabled, it is a 0 or 1. I believe the 1 is enabled. Probably need to restart as well but I am uncertain.
The outstanding question I have is do I need to change HD_VOICE under the DM configuration from a 0 to 1 as I see that there as well.

lebodano said:
I had to download the app "shortcut master". Navigate to to IMS Settings, click RCS Configuration and enabled everything. I also can see the WB settings under "DM Configuration" under the IMS settings but they are relabeled as xxx_WB and instead of enabled/disabled, it is a 0 or 1. I believe the 1 is enabled. Probably need to restart as well but I am uncertain.
The outstanding question I have is do I need to change HD_VOICE under the DM configuration from a 0 to 1 as I see that there as well.
Click to expand...
Click to collapse
I downloaded the shorcut master. However when i try to change anything, it says SU: not found. I also saw in there about the HD voice enabled. But am not able to launch any type of editor. I have the note 8 unlocked version, using straight talk sim card on verizon towers. I would love to be able to talk on the phone and surf the internet at the same time.
anyone able to get this working on the unlocked version?

I have video calling & HD Voice working on unlocked model with VZW SIM on gUDP, I almost had WiFi Calling working; but broke video calling. I'm hoping to get both working; WiFi Calling works with T-Mobile SIM out of the box. I haven't messed with my AT&T SIM to see if any of the features work; but maybe this week I will.

WinDroidGuy said:
I have video calling & HD Voice working on unlocked model with VZW SIM on gUDP, I almost had WiFi Calling working; but broke video calling. I'm hoping to get both working; WiFi Calling works with T-Mobile SIM out of the box. I haven't messed with my AT&T SIM to see if any of the features work; but maybe this week I will.
Click to expand...
Click to collapse
How did you get video calling working. I still have yet to successfully place the call.

[UNLOCKED - AT&T] Enable VoLTE, Video Calling, WiFi Calling and more?

My phone: Samsung Unlocked variant running on AT&T
Using a dialer code I've found an app "Testing" that shows options to enable the VoLTE, Video Calling, WiFi Calling & I'm able to pick network type (GSM, UTMS, LTE, ect.) Some options work and some don't. Maybe somebody smarter than me can look into this and possibly enable 4G LTE on AT&T, as well as the other features?
Code: *#*#4636#*#*

Awesome..thanks

have you tried calling at&t and asked about adding your imei for them to enable those on your device.
Thats what i have read online that tech support from at&t can make this service works with unlocked note 8.
Im still waiting for my Unlocked Note 8 and wondering how to enable Volte (HD voice). i dont use wifi calling that much though.

Genesis730 said:
My phone: Samsung Unlocked variant running on AT&T
Using a dialer code I've found an app "Testing" that shows options to enable the VoLTE, Video Calling, WiFi Calling & I'm able to pick network type (GSM, UTMS, LTE, ect.) Some options work and some don't. Maybe somebody smarter than me can look into this and possibly enable 4G LTE on AT&T, as well as the other features?
Code: *#*#4636#*#*
Click to expand...
Click to collapse
Do any of those options actually work for you?

apascual89 said:
Do any of those options actually work for you?
Click to expand...
Click to collapse
Changing networks does change my connection from 3G to HSPAP to no connection, depending on the option. The VoLTE, Video Calling & WiFi calling are temporarily enabled but then turn back off. Likely provisioning issue but that's all i can tell.
raffstyle said:
have you tried calling at&t and asked about adding your imei for them to enable those on your device.
Thats what i have read online that tech support from at&t can make this service works with unlocked note 8.
Im still waiting for my Unlocked Note 8 and wondering how to enable Volte (HD voice). i dont use wifi calling that much though.
Click to expand...
Click to collapse
I have and they advised there's no issue. They can't seem to figure it out but I've spent several hours and multiple calls trying to determine if it's an issue or the way things will be.
The only interesting thing they advised of that there's no device description on my account. (Typically it'll at least say Samsung Note8 got example but they see nothing) IMEI and SIM were updated upon activation.

unless something has changed recently, you have to have an ATT phone for all of these features to work. i can only get HDVoice (VoLTE) working on my Note Fan Edition and my wife's S8+, both of which are Exynos devices. I had to call ATT and (a) have them assign the IMEI of an ATT phone (S7 Edge and S7 Edge +) to each account and (b) by flashing an ATT CSC (from a Snapdragon ATT S8+) to the Note Fan Edition and the S8+. The ATT CSC's enable options for Wifi calling and video calling, but these features aren't working on either phone.

Hows your data speed? Do you get 4G LTE speed data?
coz you said your connection is going from 3G to HSPA+

raffstyle said:
Hows your data speed? Do you get 4G LTE speed data?
coz you said your connection is going from 3G to HSPA+
Click to expand...
Click to collapse
I average just under 5 Mb/s (Megabits, not megabytes which is about .5 MB/s) on H+ Latest test was 4.6 Mb/s
I do not get LTE, but am in a heavy LTE area (Phoenix, AZ) and get solid consistent LTE on my Note 5

Genesis730 said:
I average just under 5 Mb/s (Megabits, not megabytes which is about .5 MB/s) on H+ Latest test was 4.6 Mb/s
I do not get LTE, but am in a heavy LTE area (Phoenix, AZ) and get solid consistent LTE on my Note 5
Click to expand...
Click to collapse
WOW thats totally sucks! Im now worried about my preorder.
I might have to cancel my order from samsung and get an At&t brand note 8. I hope this is only a temporary problem with unlocked note users.
Thanks for all the info! good luck on getting all those at&t services.

raffstyle said:
WOW thats totally sucks! Im now worried about my preorder.
I might have to cancel my order from samsung and get an At&t brand note 8. I hope this is only a temporary problem with unlocked note users.
Thanks for all the info! good luck on getting all those at&t services.
Click to expand...
Click to collapse
I have an unlocked note 8 with an AT&T sim. I get great LTE speeds. In the city I get 100 plus Mbs at home or in the country I still get about 20 with only 2 bars of LTE i am only missing VoLTE and wifi calling

I'm hoping it's a setting issue on their end or something. I'm continuing to find a knowledgeable AT&T rep with some info. Good to know the unlocked version gets good LTE speeds. I'll get a new SIM and continue to look for a resolution. Worst case I'll flash radios as that looks like it's a developing option.

I gave up trying to jump through hoops to get WiFi calling and VoLTE and just bought the dang AT&T version when I preordered... If someone could come up with an easy way to get it all with an unlocked version...I'd be tempted to jump on it but until then, I'm stuck with the AT&T load.

chrisusa96 said:
I have an unlocked note 8 with an AT&T sim. I get great LTE speeds. In the city I get 100 plus Mbs at home or in the country I still get about 20 with only 2 bars of LTE i am only missing VoLTE and wifi calling
Click to expand...
Click to collapse
Did you just put your old sim to your phone or did you call/went to at&t to get a new sim and add your imei to at&t system ??

raffstyle said:
Did you just put your old sim to your phone or did you call/went to at&t to get a new sim and add your imei to at&t system ??
Click to expand...
Click to collapse
Added old sim I did call them to add features but was trying to get wifi calling

chrisusa96 said:
Added old sim I did call them to add features but was trying to get wifi calling
Click to expand...
Click to collapse
What did you say when you called them?

borijess said:
What did you say when you called them?
Click to expand...
Click to collapse
That I wanted to be able to use wifi calling and it doesn't work. The went through and made sure all features were enabled.

I have spoken with multiple AT&T reps and after speaking with someone ('ha-seen' is how it sounded) who said that they were with the Level 3 team I was told that video and wifi calling are all proprietary to AT&T and that you have to have a branded phone with their build and that the unlocked version would not have access to this.

Beianrui said:
I have spoken with multiple AT&T reps and after speaking with someone ('ha-seen' is how it sounded) who said that they were with the Level 3 team I was told that video and wifi calling are all proprietary to AT&T and that you have to have a branded phone with their build and that the unlocked version would not have access to this.
Click to expand...
Click to collapse
I got the same answer. I am calling and complaining to Samsung, I mean I pay to use the AT&T network and the features and the phone is capable of both volte and wifi calling there should be an easy way to fix this.

Just picked up the Note 8 U1 for use on AT&T, switching from a S8+ that was AT&T unlocked. I don't use WiFi calling, advanced messaging was cool but not having it won't hurt, I think. VOLTE is the big question, I know it's voice over LTE but how will that effect me talking and surfing the web at the same time?

JGuinan007 said:
I got the same answer. I am calling and complaining to Samsung, I mean I pay to use the AT&T network and the features and the phone is capable of both volte and wifi calling there should be an easy way to fix this.
Click to expand...
Click to collapse
I just use alternative app like Duo from Google Play Store. It works with or without WiFi and the app is make by Google

Does the P20 Pro work in the US on T-Mobile with VoLTE?

Does VoLTE work on T-MOBILE in the USA on P20 Pro out of the box?

KevinAce said:
Does VoLTE work on T-MOBILE in the USA on P20 Pro out of the box?
Click to expand...
Click to collapse
Yes it does.

gadget8888 said:
Yes it does.
Click to expand...
Click to collapse
Where has this been confirmed?

Screenshot or it didn't happen ?

https://photos.app.goo.gl/cyBqpxXvuIhNUPwn1

gadget8888 said:
https://photos.app.goo.gl/cyBqpxXvuIhNUPwn1
Click to expand...
Click to collapse
This doesn't mean anything.
Can you post screenshot while making a phone call if it shows LTE or drops to H+??

Does wifi calling work?

An update on this matter...
As far as I can tell Huawei has been fixing one of their shortcomings and allowing VoLTE support on many more carriers despite the phone being the wrong reason.
I've heard from a reliable source that, although I didn't think it was true, indeed VoLTE works on T-Mobile US.
Note that this may or may not depend on the version/branding of the P20 Pro.
Wifi calling does not and has never worked on T-Mobile US with Huawei phones unfortunately.

This guy gets VOLTE on tmobile:
https://www.youtube.com/watch?v=pIqKuE1Dx40

as best I can tell it works.. I make a call and band 12 stays connected throughout the call when VOLTE is enabled in settings.

Does 4G symbol remain while on call
deejaylewlew said:
as best I can tell it works.. I make a call and band 12 stays connected throughout the call when VOLTE is enabled in settings.
Click to expand...
Click to collapse
Can you try this please?
1. Turn WiFi off.
2. Make sure 4G symbol is showing on your cellular bars at the top of the screen.
3. Make a phone call. You can even call 611 for T-MO customer service, and make sure that 4G symbol still remains while on the call and that it does not change to 3G or anything else? And if you can post a screenshot, it would be much appreciated.
Are you using the CLT-L29 and what region? European or Latin American version?

KevinAce said:
Can you try this please?
1. Turn WiFi off.
2. Make sure 4G symbol is showing on your cellular bars at the top of the screen.
3. Make a phone call. You can even call 611 for T-MO customer service, and make sure that 4G symbol still remains while on the call and that it does not change to 3G or anything else? And if you can post a screenshot, it would be much appreciated.
Are you using the CLT-L29 and what region? European or Latin American version?
Click to expand...
Click to collapse
Correct it's the dual sim CLT-L29 Build Number is clt l29 8.1.0.106(c636)
That method of testing would be a step backward. I have already confirmed I am calling over Band 12. VOLTE is working, atleast for me on T-Mobile. I wasn't expecting it to from reviews but it was a nice surprise.

Thanks
deejaylewlew said:
Correct it's the dual sim CLT-L29 Build Number is clt l29 8.1.0.106(c636)
That method of testing would be a step backward. I have already confirmed I am calling over Band 12. VOLTE is working, atleast for me on T-Mobile. I wasn't expecting it to from reviews but it was a nice surprise.
Click to expand...
Click to collapse
I see your point and thank you so much for the info. Out of curiosity, are there WiFi calling settings showing up or no? That would be a double bonus.

KevinAce said:
I see your point and thank you so much for the info. Out of curiosity, are there WiFi calling settings showing up or no? That would be a double bonus.
Click to expand...
Click to collapse
No go on the WiFi calling, no settings for it.

WiFi calling
deejaylewlew said:
No go on the WiFi calling, no settings for it.
Click to expand...
Click to collapse
A workaround to get WiFi calling is to download T-Mobile Digits from play store and you can use the app to make wifi calls. You may need to sign up for T-MOBILE Digits. I'm not sure. I was a beta tester for Digits and they since let me keep the service for free on 3 devices.

KevinAce said:
A workaround to get WiFi calling is to download T-Mobile Digits from play store and you can use the app to make wifi calls. You may need to sign up for T-MOBILE Digits. I'm not sure. I was a beta tester for Digits and they since let me keep the service for free on 3 devices.
Click to expand...
Click to collapse
I've been using google voice / hangouts dialer (or whatever they want to call it this month) for a few years now. I hardly ever use T-mobile for calls, works out well when you want an international phone. Less reliance on the network features.
Out of curiosity do you remember if T-Mobile digits worked for incoming calls as well?

Digits
deejaylewlew said:
I've been using google voice / hangouts dialer (or whatever they want to call it this month) for a few years now. I hardly ever use T-mobile for calls, works out well when you want an international phone. Less reliance on the network features.
Out of curiosity do you remember if T-Mobile digits worked for incoming calls as well?
Click to expand...
Click to collapse
Yes it does work. And the fact that you can mimic one number or multiple numbers as many times as you'd like on multiple devices is pretty cool.

brother phone NEO-L29 Mate RS dual sim with sim t-mobile.pl i have options to VoLTE and WIFI calling

VoLTE definitely works and Wificalling menu is hidden. Don't think it works, yet but that might change at some point. Use a program like quickshortcutmaker and search for calling. The last option seems to be for att and the second from bottom is TMobile.
Sent from my CLT-L09 using Tapatalk

International
apol said:
brother phone NEO-L29 Mate RS dual sim with sim t-mobile.pl i have options to VoLTE and WIFI calling
Click to expand...
Click to collapse
I believe that's because you are using an international phone in an international country on an international version of T-MO.

VoLTE and Wifi Calling support

Would like to know if these features are supported for the major US carriers. That's the only thing holding me back from pre-ordering.

gordec said:
Would like to know if these features are supported for the major US carriers. That's the only thing holding me back from pre-ordering.
Click to expand...
Click to collapse
I know U.S. T-Mobile supported the XZ3 for VoLTE, which was the FIRST Sony unlocked phone it did that for. Your best bet to find out is prob to go check out other like 2019 or 2020 unlocked phones that people have VERIFIED to offer both on AT&T as well. But if that's an issue, then you may wanna consider T-Mobile then. I noticed on the XZ3 that in Call Settings there no longer was the option to turn VoLTE on or off, but during calls it REMAINED in 4G LTE (vs. just 4G), thereby proving VoLTE was in fact enabled.

The US Xperia 1 supported voLTE on T-Mobile, but not WiFi calling. So I'm assuming the mark II would at least do voLTE on T-Mobile. Not sure about the other carriers, but I feel like it would have to since carriers like Verizon are starting to not allowing non voLTE devices to be activated. And the mark II is supposed to work on Verizon.

Easy way to get WiFi calling in the US
https://forum.xda-developers.com/xperia-1/how-to/easy-to-wifi-calling-t4100229

Scorpiusest said:
https://forum.xda-developers.com/xperia-1/how-to/easy-to-wifi-calling-t4100229
Click to expand...
Click to collapse
How is this a solution? Switching carriers lol

I want to preorder, but really need WiFi calling. Going to wait until regular users start to receive theirs. Right now with Xfinity Mobile we are paying about $30 per month for 5 lines. The service is as good as when we were Verizon postpaid. Not willing to switch just for this phone.

Anyone in the UK on O2 get it?

Rodders_28 said:
Anyone in the UK on O2 get it?
Click to expand...
Click to collapse
Yup, got both (see attached)

I have none of those settings there.
I also don't get 4g+ don't know if that's related?
I get 4g+ if I put the missus Vodafone sim in.

Rodders_28 said:
I have none of those settings there.
Click to expand...
Click to collapse
I should have mentioned also that I'm actually on the "Customized UK" firmware opposed to the "O2 UK Pay Monthly firmware" but I had WiFi calling for sure prior to this

So my Xperia 1 ii arrived today, I'm finishing-up set-up. This is the US model, which I'm using with ATT. The deep dive *#*#7378423#*#* on the software info page states: "Current modem config: VoLTE-ATT "
But have yet to find any configuration for VoLTE or Wi-Fi calling. I'll try a call with one of the other lines in my family, who have ATT branded newish phones, to see if it "sounds" like an HD Voice call (there's not notification bar indicator of HD call, right?).
Update: Tried the other *#*#4636#*#* and the options under Phone Info are all grayed out (sigh)

JamesMiami said:
So my Xperia 1 ii arrived today, I'm finishing-up set-up. This is the US model, which I'm using with ATT. The deep dive *#*#7378423#*#* on the software info page states: "Current modem config: VoLTE-ATT "
But have yet to find any configuration for VoLTE or Wi-Fi calling. I'll try a call with one of the other lines in my family, who have ATT branded newish phones, to see if it "sounds" like an HD Voice call (there's not notification bar indicator of HD call, right?).
Update: Tried the other *#*#4636#*#* and the options under Phone Info are all grayed out (sigh)
Click to expand...
Click to collapse
You have to call ATT to whitelist your new IMEI for VoLTE provisioning. Then you need to make sure a new sim that supports VoLTE. This is what they told me but I'm missing the new sim, going to get one tomorrow

Thank you.,I'll give that a try. My SIM is the supposedly latest, about 2 years old, i. e. "A compatible SIM or eSIM card will display 25, 26, 27, or 28 in the ninth and tenth digits spots." Is there a newer SIM for ATT?

So had the following chat with ATT tech support:
"... Calista : To confirm, was the device purchased through AT&T?
Me : No, this is an unlocked phone, US model of Sony Xperia 1 ii
Calista : Thanks for the confirmation.
Calista : I have successfully activated VoLTE on the new device.
Calista : I have also checked and see that Wi-FIi calling can only be provisioned only on the device that are purchased through AT&T. However, AT&T will soon activate WiFi calling on the device that are not purchased through AT&T as well. You will be notified about this. "
However after power-cycling my phone and reprovisioning via Testing/Phone Information and on that page the steps of Refresh to get the SMSC number then tap Trigger Carrier Provisioning"--nothing, not VoLTE live switch. Remains gray. Still, interesting comment by tech support about upcoming Wi-Fi calling on BYOE.

Anyone know about VoLTE on Verizon yet? Just ordered my phone today and hoping that it will work.

JamesMiami said:
So had the following chat with ATT tech support:
"... Calista : To confirm, was the device purchased through AT&T?
Me : No, this is an unlocked phone, US model of Sony Xperia 1 ii
Calista : Thanks for the confirmation.
Calista : I have successfully activated VoLTE on the new device.
Calista : I have also checked and see that Wi-FIi calling can only be provisioned only on the device that are purchased through AT&T. However, AT&T will soon activate WiFi calling on the device that are not purchased through AT&T as well. You will be notified about this. "
However after power-cycling my phone and reprovisioning via Testing/Phone Information and on that page the steps of Refresh to get the SMSC number then tap Trigger Carrier Provisioning"--nothing, not VoLTE live switch. Remains gray. Still, interesting comment by tech support about upcoming Wi-Fi calling on BYOE.
Click to expand...
Click to collapse
Those tech support chats are useless! Took me 4 calls/chat to get to one knowledgeable one who said they have to file a level 3 tech support ticket and as she was doing it she said our internal memo said this cannot be done for non-AT&T branded phones so I'm sorry

Why not just use Google Voice for wifi calling? I use Google Voice for just about everything now as it's a nice alternative to giving up my number to random businesses.

Is it possible, to install the VoLTE/VoWifi carrier settings by an app (as .apk)?
My problem is that Sony didn't include these settings for Swiss carriers. So I am thinking about, how to add these settings without breaking the firmware.

YandereSan said:
Why not just use Google Voice for wifi calling? I use Google Voice for just about everything now as it's a nice alternative to giving up my number to random businesses.
Click to expand...
Click to collapse
VoLTE is required to continue to use AT&T after they sunset 3G and 4G (without VoLTE). Speaking of Google, they've confirmed to me that this phone (US version) works fine on their Google Fi, supporting VoLTE, which is interesting in that Google Fi is an MVNO via Sprint, T-Mobile, and U.S. Cellular.

So if I give ATT an IMEI for a Nokia Lumia 830 or Microsoft Lumia 640XL (both on AT&T's "good" list) to associate with my SIM in my Xperia, will my Xperia be provisioned by AT&T with VoLTE & Wi-Fi calling?

Stock rom or similar with VOLTE and WIFI calling enabled?

Hi guys,
Seems like a common problem with Xperia phones in that carrier settings on the stock rom the phone ships with doesn't have VOLTE or WIFI Calling enabled so even if your carrier has provisioned it, you can't enable it via *#*#4636#*#*
Does anyone have a fix or something that can be flashed onto the phone to help?

Following

Also following

saferisk said:
Hi guys,
Seems like a common problem with Xperia phones in that carrier settings on the stock rom the phone ships with doesn't have VOLTE or WIFI Calling enabled so even if your carrier has provisioned it, you can't enable it via *#*#4636#*#*
Does anyone have a fix or something that can be flashed onto the phone to help?
Click to expand...
Click to collapse
So this is what it is. I imported my Xperia 1 ii from Clove UK and was using it with Verizon didn't get VOLTE and WIFI calling.
I switched to tmobile didn't get VOLTE and WIFI calling, after some research and googling found out that Google Project Fi will give both WIFI calling and VOLTE.
3 days before I ordered my project Fi sim from Google it arrived last night I inserted it into my phone and Voila I get WIFI calling there is a toggle for that and also I am getting VOLTE.
I WAS paying 85 dollars on T-Mobile magenta plus plan on 1 line now I will be paying 80 dollars with Google Fi for 1 line. I am gonna put out a YouTube video tonight for Xperia 1 ii with Google fi.

Umm not everyone wants to switch to Google Fi someone else suggested this but nobody wants to switch lol

daillcyruz said:
Umm not everyone wants to switch to Google Fi someone else suggested this but nobody wants to switch lol
Click to expand...
Click to collapse
I don't know why people don't want to switch, I am talking about single line with taxes included it's 78 dollars for unlimited. Look at Verizon, T-Mobile and att what they are charging for one line. Then only on Fi you get wifi calling and volte with Xperia 1 ii. Those were enough reason for me to switch.

I'm glad it works for you, however, I pay $80 for 3 lines and true unlimited data on Tmobile. Google-Fi makes no sense for me and there are no reports of someone flashing the US firmware to see if it works yet. Some of us are waiting for someone to test it out.

will.m said:
I'm glad it works for you, however, I pay $80 for 3 lines and true unlimited data on Tmobile. Google-Fi makes no sense for me and there are no reports of someone flashing the US firmware to see if it works yet. Some of us are waiting for someone to test it out.
Click to expand...
Click to collapse
It's just my point of view, even thou Google Fi works on T-Mobile network but there service is just out of this world where ever I have gone with it. No network congestion, Google made Android and they know how to optimize the cellular network.

will.m said:
I'm glad it works for you, however, I pay $80 for 3 lines and true unlimited data on Tmobile. Google-Fi makes no sense for me and there are no reports of someone flashing the US firmware to see if it works yet. Some of us are waiting for someone to test it out.
Click to expand...
Click to collapse
It'll work. I'd flash the US firmware, but it's still on an old version. I'll flash when I get back stateside at the end of July. VoLTE works on t-mobile as long as you're on US Firmware. Has worked for my XZ3 and 1.
I don't want to switch to Google fi as well.

I attempted to use flash tool to get a customised firmware but was unable to get this working. Have any of you tried the method outlined by Brocnical?
Project Fi is a no go for me as I'm located in Australia.
Keen to get this figured out.

saferisk said:
I attempted to use flash tool to get a customised firmware but was unable to get this working. Have any of you tried the method outlined by Brocnical?
Project Fi is a no go for me as I'm located in Australia.
Keen to get this figured out.
Click to expand...
Click to collapse
Just in case you guys were wondering what I am referring to:
https://forum.xda-developers.com/sony-xperia-1-II/how-to/successfully-flashed-customization-t4119707

Votle not working my Xperia 1 please help me

I am from India I use Xperia 1 mobile my current network is jio but jio sim not working for call volte not working my mobile please help to use jio sim